414 results about "Wheat grain" patented technology

The invention discloses a wheat single grain appearance anomaly detection method based on a deep learning model and hyperspectral imaging. The method comprises the following steps: step 1, collecting different types of wheat grain samples; step 2, acquiring hyperspectral image data of the wheat grains by using a visible light-near infrared and short wave near infrared hyperspectral imaging system, and extracting spectral information and image information; step 3, preprocessing the spectral data, and verifying a preprocessing effect; 4, screening spectral characteristic wave bands, extracting texture characteristics and morphological characteristics in combination with a gray-level co-occurrence matrix, and constructing a middle-level data fusion model; step 5, constructing an atlas feature fusion deep learning model to realize high-level fusion of spectrum and image features; and step 6, pixel-level classification is carried out on the hyperspectral image, and a spatial distribution visualization result of the appearance abnormity of the wheat grains is generated. The method has high precision, nondestructive testing and strong generalization ability, and is suitable for wheat quality grading, processing and sorting and storage safety management.

The invention belongs to the technical field of agricultural production, and particularly relates to application of Chinese wolfberry-liquorice-based carbon quantum dots MIX to wheat. According to the preparation method, two raw materials including fructus lycii and radix glycyrrhizae are utilized, and the fructus lycii-radix glycyrrhizae-based carbon quantum dots MIX are synthesized through a hydrothermal synthesis method. The raw materials are cheap and easy to obtain, the synthesis method is simple and convenient, the synthesized nanometer material can be used after being simply centrifuged, and then the quality of wheat grains can be effectively improved after the wolfberry-liquorice-based carbon quantum dots MIX are sprayed to the upper middle portion of wheat.

Provided is the use of a protein derived from wheat and a biomaterial related thereto in increasing the yield per plant and grain protein content of a crop. The protein is designated as SWEET11, and may be a protein having an amino acid sequence as shown in sequence 9, sequence 6 or sequence 3 in the sequence listing. The wheat SWEET11 protein (TaSWEET11) is over-expressed in the Zhengmai 7698 wheat variety (nationally approved), and it is found that the over-expression of TaSWEET11 can significantly improve the thousand-grain weight of wheat grains and increase the yield. In addition, the over-expression of TaSWEET11 also increases the protein content in the wheat grain, significantly improving the grain quality while increasing the yield. The TaSWEET11 protein can be used for breeding and quality improvement of crops.

The invention discloses a wheat grain protein spatial distribution difference identification method. The method comprises the following steps: S1, constructing a semantic segmentation data set; an improved U-Net network is adopted as a model architecture, and preliminary background removal is completed; s2, binarization processing is carried out, and preliminary segmentation is completed; obtaining an endosperm edge contour by using a Sobel edge detection algorithm; determining the center position of an endosperm area; carrying out layer-by-layer corrosion to obtain a radial layered structure image; s3, acquiring a sampling matrix; a K-means + + algorithm is adopted to initialize the clustering center for iteration; and identifying the protein and calculating the space distribution proportion of the protein. According to the method, semantic segmentation of the U-Net model, dynamic layering of radial corrosion and component clustering of the K-means + + algorithm are improved, full automation from image preprocessing to protein quantitative analysis is achieved, tedious operation of manual description is reduced, image processing is more accurate, layering processing can be conducted on the image, and the protein distribution gradient can be accurately reflected.

The invention relates to the technical field of genetic engineering, in particular to an SNP (Single Nucleotide Polymorphism) molecular marker related to the protein content of wheat grains and application. The SNP molecular marker contains a nucleotide sequence of which the polymorphism is T or C at the 167440648 bp position of a wheat 7B chromosome. According to the present invention, the research determines that the site is the SNP site closely related to the protein content, and the specific KASP primer combination designed based on the SNP site can rapidly and accurately identify the wheat protein content. According to the technical scheme provided by the invention, the selection efficiency can be improved, the breeding period can be shortened, and wheat varieties with ideal protein content can be quickly identified and cultivated. The KASP primer combination provided by the invention provides an effective tool for molecular marker-assisted selection of wheat nutritional quality related traits.

The invention belongs to the technical field of plant genetic engineering molecular breeding, and particularly relates to application of wheat TabHLH93 protein or a coding gene thereof in regulation and control of plant grain development. According to the invention, a binary expression vector capable of realizing ectopic expression of the TabHLH93 gene is constructed and is genetically transformed into common wheat to obtain a progeny with high expression of the TabHLH93 gene, so that overexpression of the TabHLH93 gene is realized, and it is verified that the TabHLH93 has a function of regulating and controlling the size of wheat grains and also has an important regulation and control effect on agronomic characters such as wheat plant height, tiller number, spike length and thousand seed weight. A candidate gene with an important application prospect is provided for wheat high-yield genetic improvement, and the gene has important significance for guaranteeing grain safety.

The invention discloses a KASP molecular marker for detecting wheat grain length and thousand grain weight character genes and application, and belongs to the technical field of biology. The primer group for detecting the SNP or the character of the KASP molecular marker is a primer group I and / or a primer group II, and specific sequences of the primer group I and the primer group II are given; meanwhile, the KASP molecular marker can be applied to the detection and identification of SNP allelic variation and haplotype of the wheat TaARF16-7D gene, and the auxiliary identification of the grain length and thousand grain weight characters of wheat grains or the auxiliary breeding of the molecular marker. The related primer group is developed on the basis of the grain length and thousand grain weight characters of the wheat grains, the SNP loci of the related characters and the excellent haplotypes of the SNP loci can be rapidly and conveniently detected, and the primer group has the advantages of being rapid in identification, high in accuracy and the like and has a good application prospect.

The invention discloses a wheat yield remote sensing prediction method combining phenological parameters, which comprises the following steps: S1, performing field observation in a key growth period of winter wheat, synchronously collecting canopy hyperspectral reflectivity data, leaf area index (LAI) and SPAD value of each observation sample point, and recording wheat grain yield of the corresponding sample point; s2, performing noise reduction preprocessing on the acquired canopy hyperspectral data, and extracting sensitive spectral parameters by combining principal component analysis (PCA) and correlation analysis methods; s3, taking the sensitive spectrum parameters, LAI and SPAD values as independent variables, taking the wheat grain yield as a dependent variable, and adopting partial least squares regression (PLSR) to construct a multivariable yield prediction model; and S4, performing wheat yield prediction on an independent test sample or regional scale remote sensing data by using the trained model. The method overcomes the defect that only yield sensitive spectrum parameters are used for predicting the effect, and accurate estimation of the model is achieved.

The invention belongs to the technical field of biology, and particularly relates to application of a QTL (Quantitative Trait Loci) Qsdss.saas.6A to identification of a wheat SDS (Sodium Dodecyl Sulfate) sedimentation value genotype and an identification kit. The QTL locus Qsdss.saas.6A is located on a short arm of a wheat 6A chromosome, the genetic interval is 28.14 cM to 48.75 cM, and corresponding molecular markers on the two sides of the QTL locus Qsdss.saas.6A are AX-110002278 and AX-111581648. Meanwhile, the invention also provides a KASP primer group, the detection kit prepared from the KASP primer group is applied to detection of the SDS sedimentation value of wheat grains, wheat strains with high SDS sedimentation value can be rapidly screened, and the breeding efficiency is greatly improved; the identification method provided by the invention is simple in steps, reliable and practical, has an important application value in wheat breeding, and has a wide application prospect.

The utility model discloses a turnover type wheat wetting machine, and relates to the technical field of wheat wetting machines, the turnover type wheat wetting machine comprises a lifting machine and a wheat wetting assembly, the lifting machine is composed of a conveying pipe, a feeding groove opening and a discharging opening, and the wheat wetting assembly is used for evenly wetting the surface of wheat entering the conveying pipe; the wheat wetting assembly comprises a wheat wetting spray pipe, a water spray hole, a main flow pipe and a water pipe connector. According to the wheat wetting device, uniform wetting of wheat can be achieved by arranging the wheat wetting assembly, the wheat is divided through the multiple wheat wetting spray pipes, wheat grains are separated and fall down from a gap between every two adjacent wheat wetting spray pipes, and water mist sprayed out of the water spraying holes can be evenly attached to the surfaces of the wheat grains; compared with a traditional structure that water is injected through a single water injection opening, through the structure of the multiple wheat wetting spraying pipes and the multiple spraying holes, wheat is more uniform in the early stage of dampening, overall wheat wetting of wheat can be completed faster in the later stage of stirring, and the overall working efficiency is higher.

The invention discloses a hyperspectrum-based wheat variety identification method. The method comprises the following steps: establishing a hyperspectrum identification model set of a target variety; checking and screening to obtain a target variety hyperspectral recognition model; and detecting the purity of the to-be-detected wheat variety in the wheat blind sample by using the variety identification hyperspectral model. And constructing a hyperspectral recognition model set of the target variety, wherein the modeling process comprises the following steps: confirming a wheat grain sample area in a spectrum acquisition process, extracting an average spectrum of a wheat grain modeling sample and constructing a recognition model. Screening and optimization of a target variety hyperspectral recognition model: selecting a to-be-detected sample with known target variety purity; determining a wheat grain sample area during sample spectrum collection; identifying a target variety in the to-be-detected wheat grain sample, calculating the purity of the target variety, and comparing the purity of the target variety with a true purity value of the target variety to obtain a hyperspectral identification model of the wheat target variety for identifying the target variety.

The present invention relates to the field of wheat breeding, and specifically relates to a TaMyb10-94E gene related to grain color and pre-harvest sprouting resistance and the use thereof. The TaMyb10-94E gene was discovered on a 3D chromosome of Suining Tuotuo wheat, and the function of the TaMyb10-94E gene in the aspect of regulating the grain color and pre-harvest sprouting resistance of wheat has been verified, indicating that the special mutation can confer pre-harvest sprouting resistance to wheat without producing red grains. Additionally, with regard to the mutation, a method for identifying the TaMyb10-94E gene based on an SNP site is further developed, which is beneficial for the efficient breeding of white-grain wheat varieties that are resistant to pre-harvest sprouting.

The invention discloses a white wheat pre-harvest germination resistance gene TaMyb10-94E and an application thereof. The TaMyb10-94E gene is cloned from the 3D chromosome of the baryblue wheat, and a stable transgenic technology proves that overexpression of the TaMyb10-94E does not cause red color of wheat grains like overexpression of other TaMyb10 genes, and meanwhile, the TaMyb10-94E gene has the functions of enhancing the dormancy of the grains and reducing the germination rate of the grains. The result shows that the special variation of the TaMyb10-94E gene derived from the optionally selected lump wheat can endow the wheat with sprouting resistance under the condition that red grains are not generated. The method has an important application value for cultivating white-grain pre-harvest sprouting resistant wheat.

The invention discloses an SNP (Single Nucleotide Polymorphism) marker closely linked with the peel thickness of wheat grains and application of the SNP marker, and belongs to the technical field of biology, an SNP site closely linked with the peel thickness character of the wheat grains is excavated through genome-wide association analysis, the SNP site is located at the 672th, 214th and 121th positions of the 2A chromosome of the wheat, and the SNP site is located at the 672th, 214th and 121th positions of the 2A chromosome of the wheat and is located at the 672th, 214th and 121th positions of the 2A chromosome of the wheat. The site base has A / G polymorphism, and the AA genotype or AG genotype has higher grain peel thickness than the GG genotype. Through genotype detection of the SNP site, the wheat grain pericarp thickness character can be obviously distinguished, a KASP primer is developed based on the SNP site, and molecular marker-assisted identification or assisted breeding can be performed on the wheat grain pericarp thickness character.

The invention belongs to the technical field of agricultural planting, and particularly relates to a method for improving drought tolerance and yield of wheat through combined application of wormcast and sodium selenite. According to the method, the wheat is sown after the wormcast is applied to the soil, and the sodium selenite solution is sprayed when drought stress occurs, so that the growth index of the wheat under the drought stress can be remarkably improved, oxidative stress indexes such as MDA, H2O2 and O2 <-> in the wheat can be remarkably reduced, the activity of antioxidant enzymes SOD, POD, CAT and APX is increased, and meanwhile, the flour yield of wheat grains is also increased.

The utility model relates to the technical field of wheat detection, and discloses an imperfect wheat grain detection system which comprises a base, and a mounting frame is arranged on the base; the vibration feeding disc is arranged on the base and is used for orderly conveying the wheat to the discharge port one by one; and the high-speed cameras are located below the discharging port of the vibration feeding disc, the multiple high-speed cameras are arranged in a circle, and a wheat discharging channel is defined by the multiple high-speed cameras. Compared with a traditional scheme, wheat samples do not need to be arranged, meanwhile, the multiple high-speed cameras are arranged at the discharging port of the vibration feeding disc, when wheat grains pass through the wheat discharging channel defined by the high-speed cameras, the multiple high-speed cameras conduct 360-degree photographing detection on the wheat grains at the same time, and therefore the wheat grains can be accurately detected. The detection range is more comprehensive, and the detection result is more accurate.

The invention belongs to the technical field of gene engineering, and particularly relates to application of a TaMGD3 gene in improvement of plant starch quality and cultivation of a high-starch transgenic plant, including application of the TaMGD3 gene in promotion of wheat grain starch synthesis, application of the TaMGD3 gene in cultivation of the high-starch and / or high-amylopectin transgenic plant, and application of the TaMGD3 gene in improvement of plant starch quality and cultivation of the high-starch and / or high-amylopectin transgenic plant. The invention also discloses an application of the TaMGD3 gene in improvement of plant starch characteristics. A nucleotide sequence of the TaMGD3 gene is shown as SEQ ID NO. 1. The invention also provides a cultivation method of transgenic wheat. In wheat cultivation, wheat amylopectin quality improvement is realized through overexpression of the gene shown in SEQ ID NO.1. The TaMGD3 gene can improve the starch content of wheat grains, influence the particle size distribution of the wheat grain starch, improve the amylopectin proportion, improve the peak viscosity and the relative crystallinity of the starch, and facilitate the improvement of the cooking quality related to the wheat starch.

The invention relates to a lightweight wheat seed classification method fusing a mixed attention mechanism, which comprises the following steps: respectively shooting collected wheat and each seed from two angles of an upward ventral ditch and a downward ventral ditch, taking black light-absorbing flannelette as a background during shooting, and obtaining and constructing a wheat grain image set; constructing a lightweight classification model, and inputting the wheat grain image set into the model for training and verification; obtaining a trained and verified lightweight classification model, and classifying the to-be-classified seeds through the trained and verified lightweight classification model; according to the lightweight classification model, a mixed attention mechanism and a stacked inverted residual convolutional layer are combined, so that the model parameter quantity and the calculation quantity are reduced under the condition that the network performance is not reduced; and more local features are learned by using convolution of different scales, so that a relatively small storage space is occupied while relatively high identification precision is maintained, and real-time classification and identification of the wheat grain image on a future low-performance terminal are facilitated.

The invention discloses an application of a TaAP2-4 gene in regulating and controlling starch content of wheat grains, which is used for enhancing the expression quantity of the TaAP2-4 gene to improve the starch content of the wheat grains and weakening the expression quantity of the TaAP2-4 gene to reduce the starch content of the wheat grains. The TaAP2-4 gene is located on a chromosome 4 of a wheat genome, and three copies, namely TaAP2-4-A, TaAP2-4-B and TaAP2-4-D, are formed on the chromosome 4. According to the invention, a Crispr / Cas9 gene editing vector for knocking out the TaAP2-4 gene is constructed by adopting a reverse genetics method, the TaAP2-4 gene is successfully knocked out in a wheat material by adopting an agrobacterium-mediated method, and the starch content of a knocked-out mutant is reduced, so that the condition that the TaAP2-4 gene plays a positive regulation role in a wheat grain starch synthesis process is known. In practical application, directional knockout mutation of the genome level TaAP2-4 gene can be achieved through a gene transformation process, the gene knockout mutation method can be used for verifying functions of the TaAP2-4 gene, and materials are provided for mining other starch synthesis related genes.

The invention discloses a plant source leaf surface resistance and control agent for efficiently reducing the cadmium content of wheat and a preparation method thereof. According to the invention, S-allyl-L-cysteine is used as an important component of the foliar blocking and controlling agent, so that the bioavailability of cadmium ions is effectively reduced, and the absorption and transport of cadmium in plants are reduced, thereby reducing the cadmium content in wheat grains. Meanwhile, S-allyl-L-cysteine has relatively strong antioxidant capacity, so that free radicals in the plant body can be removed, and cells are protected from oxidative damage. As a plant growth regulator, S-allyl-L-cysteine can improve nutrient absorption and utilization of plants and promote photosynthesis and energy metabolism of the plants, so that the yield and quality of wheat are improved. The S-allyl-L-cysteine can activate a defense mechanism in a plant body, enhance the resistance of the plant to environmental stress, including the resistance to heavy metal pollution, and improve the overall health and yield of wheat.

The invention discloses a molecular marker closely linked with heat resistance-related wheat grain weight major QTL (quantitative trait loci) and application of the molecular marker, and belongs to the technical field of wheat molecular genetic breeding. The molecular marker and the wheat grain weight major QTkw / Hz-4D are co-localized on a 4D chromosome short arm of a wheat genome; the molecular marker AX-111027348 is located at the 151st basic group of a nucleotide sequence as shown in SEQ ID NO.1, C / T mutation exists, and a KASP marker is developed from the molecular marker AX-111027348; the molecular marker provided by the invention can be used for carrying out grain weight assisted selection on Han 6172 and Chinese spring or derivative materials thereof, or carrying out heat resistance identification on a common 6-ploid wheat material. The molecular marker provided by the invention has important application in wheat grain weight character molecular marker assisted breeding and heat-resistant wheat breeding.

The invention discloses a polyploidy breeding method for wheat plant genome doubling, which belongs to the technical field of plant breeding, and comprises the following steps: treating germinated wheat for 30 days under the conditions of low temperature of 2-7 DEG C and 24-hour illumination, then transplanting into soil, culturing for 45-55 days under the conditions that the temperature is 20-25 DEG C, the light-dark culture period is 20-22 hours, and the light-dark culture period is 2-4 hours, the illumination intensity is 10000-20000 lx, and the culture time is 20-30 days. Wherein the ratio of the red light to the blue light is 3: 2, obtaining a large number of chromosome group doubled seeds until the wheat grains are mature, and realizing wheat plant chromosome group doubling. Experiments prove that the method is easy to operate, toxic reagents are avoided, the period is short, and the efficiency of obtaining wheat with doubled chromosome groups is high.

The invention discloses application of a wheat TaCKS1 protein, a coding gene and a mutant sequence of the wheat TaCKS1 protein in regulation and control of wheat grain development, and belongs to the technical field of biology, and the amino acid sequence of the TaCKS1 protein is as shown in SEQ ID NO.7. According to the invention, an SUC1 / CKS1 homologous gene TaCKS1 is obtained from homologous cloning of arabidopsis thaliana into wheat, a tacks1 mutant is screened from Jimai 20EMS mutagenesis population, and analysis on grain phenotypes of the tacks1 mutant and a wild type JM20 shows that the grain length, the grain width, the thousand grain weight and the single plant yield of the mutant are increased compared with those of the wild type JM20. The TaCKS1 gene of wheat is identified for the first time, the function of the TaCKS1 gene for negatively regulating the grain length, grain width, thousand grain weight and single plant yield of wheat is proved through EMS mutation experience, and a new gene resource is provided for wheat breeding.

The invention belongs to the technical field of molecular marker detection, and particularly relates to a molecular marker for detecting the zinc content of wheat grains and application of the molecular marker. The method comprises the following steps: detecting g.723 Ggt in a gene TaNAS-6B for regulating and controlling the zinc content of wheat grains; and the site A, such as the 723rd nucleotide of SEQ ID NO: 1, has the nucleotide type of G or A. The invention further provides a method for identifying or assisting in identifying the zinc content character of the wheat grains. The method comprises the following steps: detecting to-be-detected wheat g.723 Ggt; the genotype of the site A is g.723 Ggt; the to-be-detected wheat with the genotype of AA at the site A is high-zinc wheat, and the grain zinc content of the to-be-detected wheat is obviously higher than that of the to-be-detected wheat with the genotype of GG. According to the invention, a dCAPS labeled primer pair is developed and is used for efficiently screening the zinc content of wheat grains. The molecular marker provided by the invention can be used for detecting the genotype of TaNAS-6B, is applied to wheat grain zinc content improvement breeding, and can improve the selective breeding efficiency.

The invention belongs to the technical field of plant growth regulators, and particularly relates to a plant growth regulator for inhibiting plant germination and application thereof, the plant growth regulator for inhibiting plant germination is obtained by compounding S-abscisic acid and dihydrogibberellin; in the plant growth regulator for inhibiting plant germination, the molar ratio of dihydrogibberellin to S-abscisic acid is (0.2-2): (0.1-1). By combining dihydrogibberellin with S-abscisic acid, the proportion of endogenous hormone gibberellin and abscisic acid in wheat grains can be effectively reduced, the activity of alpha-amylase is reduced, the content of soluble sugar is reduced, the dormancy capacity of the wheat grains is enhanced, and the germination rate of the wheat grains in the mature period is remarkably reduced.

The invention discloses a wheat grain moisture content lossless prediction method based on hyperspectral imaging and Wasserstein generative adversarial network data enhancement, which realizes accurate moisture prediction by fusing spectral feature data enhancement and deep learning modeling. Collecting spectral image data of the wheat grains by using a visible light-near infrared and short wave infrared hyperspectral imaging system; a Wasserstein generative adversarial network is adopted to generate synthetic spectrum and moisture data in a differentiated mode, data distribution consistency is verified through t-SNE, and a triple training set is expanded; noise is eliminated in combination with first-order derivative preprocessing, key characteristic wavelengths are screened by using SPA and ReliefF algorithms, and a convolutional neural network regression model is constructed; experiments show that the method achieves # imgabs0 # imgabs1 # RMSEP = 0.5717 in the visible light-near infrared band and # imgabs2 # RMSEP = 1.0009 in the short wave infrared band, and the precision is remarkably improved compared with a traditional extreme learning machine and a back propagation neural network.

The invention relates to a method for regulating and controlling the color of wheat grains and reducing the germination rate of the grains, a related TaMyb10 mutant protein, a gene, a gene editing vector and application of the TaMyb10 mutant protein. The invention discloses a method for regulating and controlling the color of wheat grains and reducing the germination rate of the grains. The method comprises the step of inhibiting or destroying the interaction of TaMyb10 protein and bHLH protein in wheat to obtain white-grain pre-harvest germination resistant wheat. The invention further discloses a functional segment which is combined with bHLH in the TaMyb10 protein and can influence the color and the pre-harvest germination resistance of wheat grains, application of a variant of the functional segment, TaMyb10 mutant protein containing substitution and / or deletion and / or addition of amino acid residues at one or more functional sites of the functional segment, and application of the TaMyb10 mutant protein. The interaction between the TaMyb10 and the bHLH protein is weakened or does not interact with the bHLH protein through the mutation of the amino acid at the functional site, so that the wheat shows the characteristic of white-grain pre-harvest sprouting resistance, and the cultivation of the white-grain pre-harvest sprouting resistance wheat variety is facilitated.

To provide a wheat bran composition that can be processed into a secondary processed food having high secondary processing suitability, and excellent external appearance, flavor and texture.SOLUTION: A wheat bran composition of the present invention has white wheat as a raw material, and the content of dietary fiber is 43 mass% or more and sugar content is 18 mass% or less. Further, the present invention also provides a method for producing a wheat bran composition in which grains of white wheat are pulverized to obtain a wheat bran composition in which the content of dietary fiber is 43 mass% or more and the sugar content is 18 mass% or less. Furthermore, the present invention also provides a mix containing a wheat bran composition, and a method for producing a processed food which uses a wheat bran composition as a raw material.SELECTED DRAWING: None

The present invention discloses an air impact separation type cereal processing mechanism, including a processing box body, a floating pressing mechanism, a bottom pressing plate, and an air impact mechanism; in the present invention, when the diversion ring cover moves downward and abuts against the upper periphery of the pressing groove of the bottom pressing plate, the pressing column continues to move downward and is inserted into the pressing groove on the upper side of the bottom pressing plate, so that the wheat grains in the pressing groove are pressed into the shape of cereal. Then, the floating box drives the pressing column to move upward. When the pressing column moves upward out of the pressing groove and moves into the inside of the diversion ring cover and the diversion folding ring, air is inhaled from the outside through the suction pipe. The air enters the floating box through the telescopic pipe, and after passing through the annular air cavity, it is discharged from the horizontal diversion ring groove. In this way, the cereal attached to the bottom of the pressing column is separated by the air flow in the horizontal direction and falls into the original pressing groove, thus greatly improving the convenience and efficiency of separating the cereal attached to the bottom of the pressing column.

The utility model discloses a kernel moxibustion device, belongs to the technical field of medical tools, and provides the kernel moxibustion device capable of effectively reducing the scald risk and improving the smoke utilization rate. The kernel moxibustion device comprises an upper cover and a base, the base is provided with a positioning sleeve, the main body part of the positioning sleeve is a configuration ring, and a material disc is arranged in the configuration ring and suitable for containing moxa; the material disc is provided with convection holes penetrating through the upper surface and the lower surface, the configuration ring is provided with a smoke outlet penetrating through the inner wall and the outer wall below the material disc, and the upper cover is suitable for being buckled at the upper end of the positioning sleeve. By arranging the upper cover structure, smoke generated by moxa combustion is prevented from escaping upwards, the smoke falls through the convection holes of the material disc and makes full contact with the skin, the utilization rate of the smoke is effectively increased, the consumption of moxa is reduced, and the economical efficiency of kernel moxibustion is improved; due to the design of the base structure, moxa is burnt on the material disc with the holes, a heat source is prevented from being too close to the skin, the moxa does not need to be extinguished in time, and the scalding risk can be effectively reduced.